Rotating disc base



FIG. 1 is a front perspective view of a rotating disc base showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a front perspective view thereof, shown in an environment of use; and,

FIG. 10 is a partial enlarged view taken from circle 10 in FIG. 1 .

The dash-dash broken lines shown in FIG. 9 illustrate environment and form no part thereof. The dot-dash broken lines in the drawings depict the boundaries of the partial enlarged views that form no part of the claimed design. 

CLAIM The ornamental design for a rotating disc base, as shown and described. 